Question 1

What is 1,500 ppm in PSU?

Accepted Answer

1,500 ppm = 1.507 PSU. Use the converter on this page to convert to other salinity / tds units instantly.

Question 2

How do you convert ppm to PSU?

Accepted Answer

Formula: 1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation). Multiply your ppm value by the appropriate factor to get PSU, or use the interactive converter above.

Question 3

What is 1.507 PSU in ppm?

Accepted Answer

1.507 PSU = 1,499.7 ppm.

ppm	PSU
1,485 ppm	1.492
1,490 ppm	1.497
1,495 ppm	1.502
1,500	1.507
1,505 ppm	1.512
1,510 ppm	1.517
1,515 ppm	1.522

1,500 ppm to PSU

Formula